<template>
  <div :class="className" :style="{height:height,width:width}" />
</template>

<script>
import echarts from 'echarts'
require('echarts/theme/macarons') // echarts theme
import resize from './mixins/resize'

const animationDuration = 3000

export default {
  mixins: [resize],
  props: {
    className: {
      type: String,
      default: 'chart'
    },
    width: {
      type: String,
      default: '100%'
    },
    height: {
      type: String,
      default: '300px'
    }
  },
  data() {
    return {
      chart: null
    }
  },
  mounted() {
    this.$nextTick(() => {
      this.initChart()
    })
  },
  beforeDestroy() {
    if (!this.chart) {
      return
    }
    this.chart.dispose()
    this.chart = null
  },
  methods: {
    initChart() {
      this.chart = echarts.init(this.$el, 'macarons')

      this.chart.setOption({
        title: {
              text: '堆叠区域图'
          },
          tooltip: {
              trigger: 'axis',
              axisPointer: {
                  type: 'cross',
                  label: {
                      backgroundColor: '#6a7985'
                  }
              }
          },
          legend: {
              data: ['邮件营销', '联盟广告', '视频广告', '直接访问', '搜索引擎']
          },
          toolbox: {
              feature: {
                  saveAsImage: {}
              }
          },
          grid: {
              left: '3%',
              right: '4%',
              bottom: '3%',
              containLabel: true
          },
          xAxis: [
              {
                  type: 'category',
                  boundaryGap: false,
                  data: ['周一', '周二', '周三', '周四', '周五', '周六', '周日']
              }
          ],
          yAxis: [
              {
                  type: 'value'
              }
          ],
          series: [
              {
                  name: '邮件营销',
                  type: 'line',
                  stack: '总量',
                  areaStyle: {},
                  emphasis: {
                      focus: 'series'
                  },
                  data: [120, 132, 101, 134, 90, 230, 210]
              },
              {
                  name: '联盟广告',
                  type: 'line',
                  stack: '总量',
                  areaStyle: {},
                  emphasis: {
                      focus: 'series'
                  },
                  data: [220, 182, 191, 234, 290, 330, 310]
              },
              {
                  name: '视频广告',
                  type: 'line',
                  stack: '总量',
                  areaStyle: {},
                  emphasis: {
                      focus: 'series'
                  },
                  data: [150, 232, 201, 154, 190, 330, 410]
              },
              {
                  name: '直接访问',
                  type: 'line',
                  stack: '总量',
                  areaStyle: {},
                  emphasis: {
                      focus: 'series'
                  },
                  data: [320, 332, 301, 334, 390, 330, 320]
              },
              {
                  name: '搜索引擎',
                  type: 'line',
                  stack: '总量',
                  label: {
                      show: true,
                      position: 'top'
                  },
                  areaStyle: {},
                  emphasis: {
                      focus: 'series'
                  },
                  data: [820, 932, 901, 934, 1290, 1330, 1320]
              }
          ]
      })
    }
  }
}
</script>
